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Analyse Du Gain Des Transistors Bipolaires A Emetteur En Silicium Monocristallin Et Polycristallin
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Book Synopsis Analyse du gain des transistors bipolaires à émetteur en silicium monocristallin et polycristallin by : Olivier Bonnaud
Download or read book Analyse du gain des transistors bipolaires à émetteur en silicium monocristallin et polycristallin written by Olivier Bonnaud and published by . This book was released on 1984 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE DE L'INFLUENCE DE LA NATURE DES EMETTEURS SUR LE GAIN DES TRANSISTORS BIPOLAIRES REALISES EN TECHNOLOGIE SILICIUM. DEUX TECHNIQUES ORIGINALES DE MESURE DU GAIN INTERNE OU LOCAL D'UN TRANSISTOR BIPOLAIRE ONT ETE CONCUES ET MISES AU POINT, LA PREMIERE UTILISANT LE PHENOMENE D'AVALANCHE EN FAIBLE MULTIPLICATION DE LA JONCTION COLLECTEUR-BASE, LA DEUXIEME BASEE SUR LA POLARISATION LOCALE D'UNE STRUCTURE PAR EXCITATION OPTIQUE. CES TECHNIQUES APPLICABLES A DES COMPOSANTS INTEGRES A TRES GRANDE ECHELLE (VLSI) ONT PERMIS D'ETUDIER LE ROLE DES EMETTEURS CONSTITUES EN SILICIUM MONOCRISTALLIN OU POLYCRISTALLIN. LE GAIN DE CES STRUCTURES EST MODELISE EN TENANT COMPTE DES CONNAISSANCES ACTUELLES DU COMPORTEMENT DES TRANSISTORS BIPOLAIRES ET DES PROPRIETES PHYSIQUES DES MATERIAUX QUI LES CONSTITUENT (EFFETS DE FORTS DOPAGES)
Book Synopsis CONTRIBUTION A L'ETUDE DE L'EMETTEUR POLYCRISTALLIN DU TRANSISTOR BIPOLAIRE DANS UN PROCEDE BICMOS HAUTE-FREQUENCE by : ALAIN.. MORETTO
Download or read book CONTRIBUTION A L'ETUDE DE L'EMETTEUR POLYCRISTALLIN DU TRANSISTOR BIPOLAIRE DANS UN PROCEDE BICMOS HAUTE-FREQUENCE written by ALAIN.. MORETTO and published by . This book was released on 1996 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA TECHNOLOGIE BICMOS COMBINE, SUR UN MEME CRISTAL, DES TRANSISTORS MOS ET BIPOLAIRES DESTINES A DES APPLICATIONS MIXTES NUMERIQUES ET ANALOGIQUES RAPIDES. ELLE FAIT INTERVENIR DES TRANSISTORS BIPOLAIRES A EMETTEUR POLYCRISTALLIN DONT L'EMETTEUR EST COMPOSE D'UNE COUCHE DE SILICIUM POLYCRISTALLIN DE CONTACT, D'UNE ZONE ACTIVE MONOCRISTALLINE ET D'UNE COUCHE INTERFACIALE D'OXYDE. NOTRE ETUDE EST AXEE SUR L'IMPORTANCE DE LA MINCE COUCHE D'OXYDE A L'INTERFACE POLY/MONO: SA PRESENCE EST INDISPENSABLE POUR FOURNIR UN PRODUIT GAIN EN COURANT X POTENTIEL DE EARLY PERFORMANT ; EN REVANCHE, SON EPAISSEUR DOIT ETRE LIMITEE POUR EVITER DES CONSEQUENCES NEFASTES (RESISTANCE D'ACCES A L'EMETTEUR TROP ELEVEE, REPONSE EN FREQUENCE TROP LIMITEE). DANS UN PREMIER TEMPS, QUELQUES ELEMENTS DE LA PHYSIQUE DES TRANSISTORS BIPOLAIRES SONT PRESENTES PUIS NOUS RAPPELERONS LES ETAPES TECHNOLOGIQUES DE FABRICATION EN METTANT EN EVIDENCE LES LIENS AVEC LES PERFORMANCES ELECTRIQUES DU TRANSISTOR SUBMICRONIQUE. L'ETUDE DE LA COUCHE D'OXYDE EST MENEE DE FACON ORIGINALE GRACE A L'UTILISATION DE DIFFERENTES APPROCHES COMPLEMENTAIRES ET CONVERGENTES (MICROSCOPIE ELECTRONIQUE, MODELISATION ET SIMULATION DE LA RESISTANCE D'EMETTEUR, MESURES STATIQUES, DYNAMIQUES ET EN BRUIT). EN OUTRE, L'ANALYSE DES DIFFERENTES CONTRIBUTIONS AU TEMPS DU VOL DES PORTEURS DANS LE TRANSISTOR PERMET DE MONTRER L'IMPORTANCE RELATIVE DE L'EMETTEUR POLYCRISTALLIN (ENVIRON 30% AVEC UNE EPAISSEUR D'OXYDE AUSSI MINCE QUE 8 A)
Book Synopsis Building Wireless Community Networks by : Rob Flickenger
Download or read book Building Wireless Community Networks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources. The first edition of this book helped thousands of people engage in community networking activities. At the time, it was impossible to predict how quickly and thoroughly WiFi would penetrate the marketplace. Today, with WiFi-enabled computers almost as common as Ethernet, it makes even more sense to take the next step and network your community using nothing but freely available radio spectrum. This book has showed many people how to make their network available, even from the park bench, how to extend high-speed Internet access into the many areas not served by DSL and cable providers, and how to build working communities and a shared though intangible network. All that's required to create an access point for high-speed Internet connection is a gateway or base station. Once that is set up, any computer with a wireless card can log onto the network and share its resources. Rob Flickenger built such a network in northern California, and continues to participate in network-building efforts. His nuts-and-bolts guide covers: Selecting the appropriate equipment Finding antenna sites, and building and installing antennas Protecting your network from inappropriate access New network monitoring tools and techniques (new) Regulations affecting wireless deployment (new) IP network administration, including DNS and IP Tunneling (new) His expertise, as well as his sense of humor and enthusiasm for the topic, makes Building Wireless Community Networks a very useful and readable book for anyone interested in wireless connectivity.
Download or read book Wireless Hacks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuing with the successful Hack Series, this title provides real-world working examples of how to make useful things happen with wireless equipment.
